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BladeGen HPCompressorImpellerwithSplitter带小叶片的高压比压气机叶轮 Concepts概念 Inthistutorialwewill InputinitialdesignparametersInputinitialangle thicknessparametersOptimizethemeridionalviewAdjustthebladeanglesDefinetheshapeofLEandTESaveyourwork InitialDesignParameters初始化设计参数 CFX BladeGenallowstheusertocreateabladesystemfromscratch usingoneofsixstandardinitialconfigurationtypes Forthisexample aRadialImpellerisused SelecttheFile New CFX BladeGenModelmenucommandortoolbarbuttonwhichwilldisplaytheInitialMeridionalConfigurationDialogSelecttheRadialImpellertabEntertheparametersfortheinitialbladelayout shownonthefollowingslide BesuretoselectAng ThkmodeinthebottomrightcornerPressEnterorselecttheOKbuttontocontinue DesignParameters设计参数定义 DesignparameterstobeenteredfortheRadialImpellerTemplate InitialAngle Thickness叶角和厚度初始定义 EnterInitialAngle ThicknessParameters Nominalwrapangleof85 包角85 Thicknessof3mmNumberofblades 6ClickOK MeridionalViewOptimization子午面视图优化 OptimizingtheMeridionalView优化子午面视图InletandOutletlocation points havetobeadjustedinordertoextendtheinletinupstreamandtheoutletindownstreamdirection延长进出口 InletandOutletModification进出口修改 Doubleclicktheshroudinletpoint topleft Enter 45and69forthehorizontalandverticalvalues ClickOK Forthehubinletpoint bottomleft enter 45and30ClickOKFortheshroudoutletpoint topleft enter 82and175ClickOKForthehuboutletpoint topright enter 86 5and175ClickOK BladeAnglesattheHub轮毂叶角 TheHubLayerisactivebydefault reddot Right clickintheAngleviewandselect AdjustBladeAnglesIntheLeadingEdgetab enter40 fortheBetavalue Tang Betaautomaticallybecomes50 Leavealltheothervaluesastheyare IntheTrailingEdgetab enteraBetaangleof30 LeaveThetaangle85 ClickOK BladeAnglesattheShroud机匣叶角 ActivatetheShroudLayerbyclickingtheblackdotatthetopofthelayercolumn itwillbecomered Right clickintheAngleviewandselect AdjustBladeAnglesIntheLeadingEdgetab enter62 5 fortheBetavalue Leavealltheothervaluesastheyare IntheTrailingEdgetab enteraBetaangleof30 andThetavalueto84 Leaveallothervaluesastheyare ClickOK BladeAngleDistribution叶角分布 Afterthebladeangleadjustments theangledistributiononthehubandshroudwilllooklikeaspresentedbelow HubShroud BladeThicknessProfile叶片厚度剖面 BladeThicknesscanbedefinedintheThicknessview Inthisexample thethicknesswillbeconsideredconstantwiththevalueof3mm Nomodificationwillberequired ShapeofLeading TrailingEdge导缘和尾缘形状 ToprescribetheLeading TrailingEdgeShape SelectBlade PropertiesmenucommandsorthetoolbarbuttonlocatedonthelefthandsideoftheCFX BladeGenwindowtosetthebladeproperties SetthevaluesonLE TEEllipse 椭圆 tabasshownonthenextslideAllothervaluescanremainunchanged BladePropertyDialog叶片属性对话框 SelectLETypetobeEllipsewithappropriateEllipticRatiosSelectTETypetobeCut off AddingSplitterBlade增加分离叶片 SelecttheBlade AddSplittermenucommandorthetoolbarbuttontogetBladePropertyDialogueDefaultvaluesintheLocation Definitiontabwillbeused sothatthesplitterwillbeplacedatthemainblademid pitchThisisobtainedbyselectingOffset PitchFraction tobe0 5indefinitionoftheSplitterAngularOffset SplitterBladeLE TEshape分离叶片导缘 尾缘形状 SelecttheLE TEEllipsetabandsettheLEEllipticRatioto4forbothhubandshroudIntheLE TECut Off enabletheLEoptionandenter0 35forthehuband0 4fortheshroud ClickOK AfterAddingtheSplitterBlade Afterthesplitterbladehasbeencreated therearesomenewfeaturesintheGUItonote asshowninthenexttwoslides IntheMeridionalview thesplitterLeadingEdgewillbeshown IntheAuxiliaryview thesplitterbladewillbeshownlocatedatthemid pitchbetweenmainblades ThelocationofthesplitterLeadingEdgewillalsobeshowninangleviewandThicknessview GraphicalLayoutattheHub GraphicalLayoutattheShroud ModelPropertiesDialog Setthemodelproperties Model Properties EnsureModelUnitsareSet SavingtheFile SavethefileFile SaveAsortheSaveAsiconFilename HPCompressorImpeller bgdGobacktotheProjectpageandopenDesignModeler clickNewgeometry UsethesameunitsthatweredefinedinBladeGen mm BladeEditor ClicktheBladeEditoriconAcceptthedefaultfileHPCompressorImpeller bgdWewantthefluiddomainforaCFDanalysisIntheDetailsViewChangeHubOffsetto2mmSetCreateBladesto1ClickGenerateSavethemodelHPCompressorImpeller agdb SuggestionsforExtraWor
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